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[FFmpeg-devel,v2,3/7] aarch64: me_cmp: Fix up the prologue of ff_pix_abs8_xy2_neon

Message ID 20221003141020.3564715-4-gjb@semihalf.com
State New
Headers show
Series arm64 neon implementation for 8bits functions | expand

Checks

Context Check Description
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

Grzegorz Bernacki Oct. 3, 2022, 2:10 p.m. UTC 
From: Martin Storsjö <martin@martin.st>

This initializes things properly if this were to be called with
h < 4.
---
 libavcodec/aarch64/me_cmp_neon.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/libavcodec/aarch64/me_cmp_neon.S b/libavcodec/aarch64/me_cmp_neon.S
index 3662419edf..cfba3eb33a 100644
--- a/libavcodec/aarch64/me_cmp_neon.S
+++ b/libavcodec/aarch64/me_cmp_neon.S
@@ -245,12 +245,12 @@  function ff_pix_abs8_xy2_neon, export=1
         cmp             w4, #4
         add             x6, x5, 1 // pix3 + stride + 1
 
-        b.lt            2f
-
         ld1             {v0.8b}, [x2], x3
         ld1             {v1.8b}, [x0], x3
         uaddl           v2.8h, v0.8b, v1.8b
 
+        b.lt            2f
+
 // make 4 iterations at once
 1:
         ld1             {v4.8b}, [x5], x3